Sole structure



FIG. 1 is a lateral, bottom perspective view of a sole structure showing our new design;

FIG. 2 is a lateral side view thereof;

FIG. 3 is a medial side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The sole structure shown in FIGS. 1-7 is for a right foot, the left foot which is not shown is a mirror image.

Broken line illustrations in the figures are not part of the claimed design. 

CLAIM The ornamental design for a sole structure, as shown and described. 